Question: Give me the date of birth of Alcibiades before the Gregorian calendar date of 1584?
Paraphrase: What was Alcibiades date of birth before the Gregorian calendar date of 1584?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q187982 p:P569 ?s . ?s ps:P569 ?obj . ?s pq:P31 wd:Q26961029 }